Visualization: How Common Is Your Birthday – 360 degrees

I’ve done a visualization based on this one by Matt Stiles. Use the mouse to locate a birth date. I’ve a added a red arc that indicates the most probable conception date for the given birth date based on an average pregnancy of 39.5 weeks. January 1st is at 0 degrees and the year goes clockwise. I think that a circle gives a better impression on what’s happening around the year. Check the gaps at some special dates likes July 4th, Christmas and Thanks Giving weeks.

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